Process and an apparatus for processing slags and other combustion residues from garbage incinerators
CA 1321071 C · Owner: Alstom · Inventors: Schwyter, Leo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The slag that is produced in a garbage incinerator (1) is passed directly from the slag outlet (6) of the furnace directly to a separator (7) for the removal of coarse material and iron. There is no quenching in water. After the coarse cleaning stage the, slag is reheated in a pre-heating system (8) using hot smoke gases from the garbage incinerator (1) and then during the, addition of additional heat is melted in a smelting furnace, (10). The fly ash is mixed into the flow of slag ahead of the pre-heating system (8). The harmful substances that are vapourized during the pre-heating and smelting processes are condensed out from the waste gases and reused. A pyrolysis furnace (9) is arranged …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 10, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.